diff --git a/windows/src/unit-tests/windows-setup/WindowsSetupTest.dpr b/windows/src/unit-tests/windows-setup/WindowsSetupTest.dpr
index d33a4e58f6..0793a10138 100644
--- a/windows/src/unit-tests/windows-setup/WindowsSetupTest.dpr
+++ b/windows/src/unit-tests/windows-setup/WindowsSetupTest.dpr
@@ -30,7 +30,8 @@ uses
   kmpinffile in '..\..\global\delphi\general\kmpinffile.pas',
   PackageFileFormats in '..\..\global\delphi\general\PackageFileFormats.pas',
   Keyman.Setup.System.SetupUILanguageManager in '..\..\desktop\setup\Keyman.Setup.System.SetupUILanguageManager.pas',
-  Keyman.System.UILanguageManager in '..\..\global\delphi\general\Keyman.System.UILanguageManager.pas';
+  Keyman.System.UILanguageManager in '..\..\global\delphi\general\Keyman.System.UILanguageManager.pas',
+  Keyman.Setup.System.MsiUtils in '..\..\desktop\setup\Keyman.Setup.System.MsiUtils.pas';
 
 var
   runner : ITestRunner;
diff --git a/windows/src/unit-tests/windows-setup/WindowsSetupTest.dproj b/windows/src/unit-tests/windows-setup/WindowsSetupTest.dproj
index d40e5263b5..17ff6a02a1 100644
--- a/windows/src/unit-tests/windows-setup/WindowsSetupTest.dproj
+++ b/windows/src/unit-tests/windows-setup/WindowsSetupTest.dproj
@@ -120,6 +120,7 @@
         <DCCReference Include="..\..\global\delphi\general\PackageFileFormats.pas"/>
         <DCCReference Include="..\..\desktop\setup\Keyman.Setup.System.SetupUILanguageManager.pas"/>
         <DCCReference Include="..\..\global\delphi\general\Keyman.System.UILanguageManager.pas"/>
+        <DCCReference Include="..\..\desktop\setup\Keyman.Setup.System.MsiUtils.pas"/>
         <BuildConfiguration Include="Release">
             <Key>Cfg_2</Key>
             <CfgParent>Base</CfgParent>